The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant campanula in Hightstown can be estimated by looking at the USDA zone info.

Planting Calendar for Campanula

Frost tolerance for campanula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Campanula do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant campanula in Hightstown is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant campanula and expect a good harvest is probably September. Any later than that and your campanula may not have a chance to fully mature. You can get started a little bit earlier by starting your campanula indoors.

Last Frost Date

The average date of last frost is April 15 in Hightstown. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Hightstown is not always accurate the actual date of last frost is different every year. Since half of the time in Hightstown you get surprised by a frost after April 15 be ready to protect your campanula in the event of a surprise late frost.

USDA Zone Info for Hightstown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Hightstown

You may be interested in your other planting guides for Hightstown.